





"""simple docstring"""





from typing import Any


def      UpperCAmelCase__				(    SCREAMING_SNAKE_CASE	:		list     ):







      '''simple docstring'''




      if not input_list:
            return []
      lowerCAmelCase    		=			[input_list.count(SCREAMING_SNAKE_CASE     ) for value in input_list]
      lowerCAmelCase    		=			max(SCREAMING_SNAKE_CASE     )  # Gets the maximum count in the input list.
      # Gets values of modes
      return sorted({input_list[i] for i, value in enumerate(SCREAMING_SNAKE_CASE     ) if value == y}     )


if __name__ == "__main__":
       import doctest

       doctest.testmod()













"""simple docstring"""





import ast
import os
import re
import shutil
import tempfile
import unittest
from unittest import mock

import torch

from accelerate.test_utils.examples import compare_against_test
from accelerate.test_utils.testing import TempDirTestCase, require_trackers, run_command, slow
from accelerate.utils import write_basic_config


# DataLoaders built from `test_samples/MRPC` for quick testing
# Should mock `{script_name}.get_dataloaders` via:
# @mock.patch("{script_name}.get_dataloaders", mocked_dataloaders)

SCREAMING_SNAKE_CASE__   =  [
    "cross_validation.py",
    "gradient_accumulation.py",
    "local_sgd.py",
    "multi_process_metrics.py",
    "memory.py",
    "automatic_gradient_accumulation.py",
    "fsdp_with_peak_mem_tracking.py",
    "deepspeed_with_config_support.py",
    "megatron_lm_gpt_pretraining.py",
]

class 						lowercase   (   unittest.TestCase   ):





      def        _snake_case     (			self ,		lowercase ,		lowercase ,		lowercase = None ,		lowercase = None					)						->	Dict:
            lowerCAmelCase    		=			None
            lowerCAmelCase    		=			os.path.abspath(os.path.join("""examples""" ,		"""by_feature"""					)					)
            lowerCAmelCase    		=			os.path.abspath("""examples"""					)
            for item in os.listdir(lowercase					):
                  if item not in EXCLUDE_EXAMPLES:
                        lowerCAmelCase    		=			os.path.join(lowercase ,		lowercase					)
                        if os.path.isfile(lowercase					) and ".py" in item_path:
                              with self.subTest(
                                  tested_script=lowercase ,		feature_script=lowercase ,		tested_section="""main()""" if parser_only else """training_function()""" ,		):
                                    lowerCAmelCase    		=			compare_against_test(
                                        os.path.join(lowercase ,		lowercase					) ,		lowercase ,		lowercase ,		lowercase					)
                                    lowerCAmelCase    		=			"""\n""".join(lowercase					)
                                    if special_strings is not None:
                                          for string in special_strings:
                                                lowerCAmelCase    		=			diff.replace(lowercase ,		""""""					)
                                    self.assertEqual(lowercase ,		""""""					)





      def        _snake_case     (			self					)						->	List[Any]:
            self.one_complete_example("""complete_nlp_example.py""" ,		lowercase					)
            self.one_complete_example("""complete_nlp_example.py""" ,		lowercase					)





      def        _snake_case     (			self					)						->	Any:
            lowerCAmelCase    		=			os.path.abspath(os.path.join("""examples""" ,		"""cv_example.py"""					)					)
            lowerCAmelCase    		=			[
                """ """ * 16 + """{\n\n""",
                """ """ * 20 + """\"accuracy\": eval_metric[\"accuracy\"],\n\n""",
                """ """ * 20 + """\"f1\": eval_metric[\"f1\"],\n\n""",
                """ """ * 20 + """\"train_loss\": total_loss.item() / len(train_dataloader),\n\n""",
                """ """ * 20 + """\"epoch\": epoch,\n\n""",
                """ """ * 16 + """},\n\n""",
                """ """ * 16 + """step=epoch,\n""",
                """ """ * 12,
                """ """ * 8 + """for step, batch in enumerate(active_dataloader):\n""",
            ]
            self.one_complete_example("""complete_cv_example.py""" ,		lowercase ,		lowercase ,		lowercase					)
            self.one_complete_example("""complete_cv_example.py""" ,		lowercase ,		lowercase ,		lowercase					)







@mock.patch.dict(os.environ	,    {'TESTING_MOCKED_DATALOADERS': '1'}   )
class 						lowercase   (   _UpperCAmelCase   ):
      _SCREAMING_SNAKE_CASE							      = False





      @classmethod
      def        _snake_case     (			cls					)						->	Optional[int]:
            super().setUpClass()
            lowerCAmelCase    		=			tempfile.mkdtemp()
            lowerCAmelCase    		=			os.path.join(cls._tmpdir ,		"""default_config.yml"""					)

            write_basic_config(save_location=cls.configPath					)
            lowerCAmelCase    		=			["""accelerate""", """launch""", """--config_file""", cls.configPath]





      @classmethod
      def        _snake_case     (			cls					)						->	Optional[int]:
            super().tearDownClass()
            shutil.rmtree(cls._tmpdir					)





      def        _snake_case     (			self					)						->	str:
            lowerCAmelCase    		=			f'\n        examples/by_feature/checkpointing.py\n        --checkpointing_steps epoch\n        --output_dir {self.tmpdir}\n        '.split()
            run_command(self._launch_args + testargs					)
            self.assertTrue(os.path.exists(os.path.join(self.tmpdir ,		"""epoch_0"""					)					)					)





      def        _snake_case     (			self					)						->	Optional[int]:
            lowerCAmelCase    		=			f'\n        examples/by_feature/checkpointing.py\n        --checkpointing_steps 1\n        --output_dir {self.tmpdir}\n        '.split()
            lowerCAmelCase    		=			run_command(self._launch_args + testargs					)
            self.assertTrue(os.path.exists(os.path.join(self.tmpdir ,		"""step_2"""					)					)					)





      def        _snake_case     (			self					)						->	List[str]:
            lowerCAmelCase    		=			f'\n        examples/by_feature/checkpointing.py\n        --resume_from_checkpoint {os.path.join(self.tmpdir ,		"epoch_0"					)}\n        '.split()
            lowerCAmelCase    		=			run_command(self._launch_args + testargs ,		return_stdout=lowercase					)
            self.assertNotIn("""epoch 0:""" ,		lowercase					)
            self.assertIn("""epoch 1:""" ,		lowercase					)





      def        _snake_case     (			self					)						->	Union[str, Any]:
            lowerCAmelCase    		=			f'\n        examples/by_feature/checkpointing.py\n        --resume_from_checkpoint {os.path.join(self.tmpdir ,		"step_2"					)}\n        '.split()
            lowerCAmelCase    		=			run_command(self._launch_args + testargs ,		return_stdout=lowercase					)
            if torch.cuda.is_available():
                  lowerCAmelCase    		=			torch.cuda.device_count()
            else:
                  lowerCAmelCase    		=			1
            if num_processes > 1:
                  self.assertNotIn("""epoch 0:""" ,		lowercase					)
                  self.assertIn("""epoch 1:""" ,		lowercase					)
            else:
                  self.assertIn("""epoch 0:""" ,		lowercase					)
                  self.assertIn("""epoch 1:""" ,		lowercase					)





      @slow
      def        _snake_case     (			self					)						->	Tuple:
            lowerCAmelCase    		=			"""
        examples/by_feature/cross_validation.py
        --num_folds 2
        """.split()
            with mock.patch.dict(os.environ ,		{"""TESTING_MOCKED_DATALOADERS""": """0"""}					):
                  lowerCAmelCase    		=			run_command(self._launch_args + testargs ,		return_stdout=lowercase					)
                  lowerCAmelCase    		=			re.findall("""({.+})""" ,		lowercase					)
                  lowerCAmelCase    		=			[r for r in results if """accuracy""" in r][-1]
                  lowerCAmelCase    		=			ast.literal_eval(lowercase					)
                  self.assertGreaterEqual(results["""accuracy"""] ,		0.75					)





      def        _snake_case     (			self					)						->	int:
            lowerCAmelCase    		=			["""examples/by_feature/multi_process_metrics.py"""]
            run_command(self._launch_args + testargs					)





      @require_trackers
      @mock.patch.dict(os.environ ,		{"""WANDB_MODE""": """offline"""}					)
      def        _snake_case     (			self					)						->	Any:
            with tempfile.TemporaryDirectory() as tmpdir:
                  lowerCAmelCase    		=			f'\n            examples/by_feature/tracking.py\n            --with_tracking\n            --project_dir {tmpdir}\n            '.split()
                  run_command(self._launch_args + testargs					)
                  self.assertTrue(os.path.exists(os.path.join(lowercase ,		"""tracking"""					)					)					)





      def        _snake_case     (			self					)						->	Union[str, Any]:
            lowerCAmelCase    		=			["""examples/by_feature/gradient_accumulation.py"""]
            run_command(self._launch_args + testargs					)





      def        _snake_case     (			self					)						->	int:
            lowerCAmelCase    		=			["""examples/by_feature/local_sgd.py"""]
            run_command(self._launch_args + testargs					)






